Set of buttons for a handset



FIG. 1 is a front perspective view of a set of buttons for a handset showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line showing of the remainder of the handset is directed to environment and is for illustrative purposes only and forms no part of the claimed design. The broken line immediately adjacent to the shaded region represents the bounds of the claimed design. 

The ornamental design for a set of buttons for a handset, as shown and described. 